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On the transmitter-based preprocessing for 2-D OFDM-CDMA forward-link systems over time-varying Rayleigh fading channels

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Fig. 5. Effect of the pilot placement with M = 2 (200-Hz Doppler frequency).
Fig. 1. RRUs.
Fig. 3. (a) Transmitter. (b) Receiver. Thus, (1) can be simplified as
TABLE I S YSTEM P ARAMETERS
+2

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